Which of the following organizations must comply with the phs policy when utilizing vertebrate animals for research, teaching, or testing?

Those organizations that accept Public Health Service (PHS) or National Science Foundation (NSF) funding.

Explanation:

The Public Health service (PHS) policy requires institutions ensure appropriate care and use of live vertebrate animals involved in biomedical or any research or testing. It is expected the institution establishes and maintains proper care for the animals.

The PHS supports educational programs and ensures humane care and utilization of animals in PHS supported institutions.

Those organizations that accept the NSF and PHS funds must comply to the policy.  

the answer is admiramos

the rule for verbs is whoever you are referring to (in this case 'nosotros'), you need to change the ending of the word.

nosotros - amos

yo - o

tu - as

el, ella, usted - a

ellos, ellas, ustedes - an

(examples: nosotros bailamos (instead of bailar) or yo hablo (instead of habla)

which

what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements